Miche Primato Advanced Crankset
12-01-14, 05:01 PM
#1
Senior Member
Thread Starter
Join Date: Jul 2014
Posts: 648
Bikes: Canyon, Bowman & Colnago
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 132 Post(s)
Likes: 0
Liked 39 Times
in
20 Posts
Miche Primato Advanced Crankset
I just purchased, online (haven't received it yet), a Miche Primato Advanced crankset for my fixed gear bike. Going by the pics it looks like it has self-extracting crank bolts. I have never installed a crankset with self extracting bolts. Having said that, do the crank bolts install like any other crankset and square-taper BB combo? So can I just tighten up the bolts and be done, or is there anything else I have to do in regard to the self-extracting mechanism?
Thanks.
Thanks.
Last edited by mrblue; 12-01-14 at 05:38 PM.
12-01-14, 05:24 PM
#2
Senior Member
Join Date: Apr 2009
Location: New Rochelle, NY
Posts: 38,717
Bikes: too many bikes from 1967 10s (5x2)Frejus to a Sumitomo Ti/Chorus aluminum 10s (10x2), plus one non-susp mtn bike I use as my commuter
Mentioned: 140 Post(s)
Tagged: 1 Thread(s)
Quoted: 5788 Post(s)
Liked 2,580 Times
in
1,430 Posts
The bolts are 100% the same when tightening. The only difference is that "dust cap" is pre-installed, and the bolt removes the crank when backed against it.
To prevent issues down the road, try to pack the area between the bolt's flange and dust cap with grease, partly so water and dirt can't get in there and so that when time comes to remove the crank, you won't be fighting dry friction between the bolt flange and extractor ring ("dust cap").
To prevent issues down the road, try to pack the area between the bolt's flange and dust cap with grease, partly so water and dirt can't get in there and so that when time comes to remove the crank, you won't be fighting dry friction between the bolt flange and extractor ring ("dust cap").
__________________
FB
Chain-L site
An ounce of diagnosis is worth a pound of cure.
Just because I'm tired of arguing, doesn't mean you're right.
“One accurate measurement is worth a thousand expert opinions” - Adm Grace Murray Hopper - USN
WARNING, I'm from New York. Thin skinned people should maintain safe distance.
FB
Chain-L site
An ounce of diagnosis is worth a pound of cure.
Just because I'm tired of arguing, doesn't mean you're right.
“One accurate measurement is worth a thousand expert opinions” - Adm Grace Murray Hopper - USN
WARNING, I'm from New York. Thin skinned people should maintain safe distance.
Thanks! I'll get to try out the new torque wrench, too.
12-01-14, 05:42 PM
#5
Senior Member
Thread Starter
Join Date: Jul 2014
Posts: 648
Bikes: Canyon, Bowman & Colnago
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 132 Post(s)
Likes: 0
Liked 39 Times
in
20 Posts
The bolts are 100% the same when tightening. The only difference is that "dust cap" is pre-installed, and the bolt removes the crank when backed against it.
To prevent issues down the road, try to pack the area between the bolt's flange and dust cap with grease, partly so water and dirt can't get in there and so that when time comes to remove the crank, you won't be fighting dry friction between the bolt flange and extractor ring ("dust cap").
To prevent issues down the road, try to pack the area between the bolt's flange and dust cap with grease, partly so water and dirt can't get in there and so that when time comes to remove the crank, you won't be fighting dry friction between the bolt flange and extractor ring ("dust cap").
12-01-14, 05:46 PM
#6
Senior Member
Join Date: Aug 2005
Location: Pittsburgh, PA
Posts: 33,656
Bikes: '96 Litespeed Catalyst, '05 Litespeed Firenze, '06 Litespeed Tuscany, '20 Surly Midnight Special, All are 3x10. It is hilly around here!
Mentioned: 39 Post(s)
Tagged: 0 Thread(s)
Quoted: 2026 Post(s)
Likes: 0
Liked 1,096 Times
in
742 Posts
Thanks! When I removed a crankset (FSA Omega) that had a self-extracting bolt, the bolt turned easily, for one or two turns, then it got super hard and wouldn't budge. I actually had to use a breaker bar to get it to move, then after another turn or two it was easy again. Should I anticipate the same issue while installing?
12-02-14, 08:34 AM
#7
Banned
I have had the self extractor- ring push the threads in the crankarm out. and the crank arm never budged.
this was a square taper type.
Forewarned I'd get a Shimano type single piece bolt and a big long 8 mm hex wrench
or a flat washer and a 14 mm Head bolt and a thin wall socket for your ratchet or breaker bar.
this was a square taper type.
Forewarned I'd get a Shimano type single piece bolt and a big long 8 mm hex wrench
or a flat washer and a 14 mm Head bolt and a thin wall socket for your ratchet or breaker bar.
Last edited by fietsbob; 12-02-14 at 08:39 AM.
Thread
Thread Starter
Forum
Replies
Last Post
Chombi1
Classic & Vintage
16
07-03-17 11:24 AM
